There are 2 twin sisters among a group of 15 persons. In how many ways – McqOptions

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1.	There are 2 twin sisters among a group of 15 persons. In how many ways can the group be arranged around a circle so that there is exactly one person between the two sisters?
A.	15 12! 2!
B.	15! * 2!
C.	¹⁴C₂
D.	16 * 15!
Answer» B. 15! * 2!

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